Trimble Outdoors AgGPS 252 User Manual
Page 21
AgGPS 252 Receiver User Guide 15
Overview 2
The AgGPS 252 receiver outputs position coordinates in several datums
and ellipsoids depending on the GPS positioning method being used.
See Table 2.6.
For more information, go to the National Geodetic Survey website at
Table 2.6
DGPS coordinate systems
GPS positioning method
Datum
Ellipsoid
None – Autonomous mode
WGS-84
1
WGS-84
OmniSTAR VBS North American Beams
NAD-83
2
GRS-80
OmniSTAR VBS Rest of World Beams
ITRF
3
GRS-80
OmniSTAR HP
ITRF 2000
ITRF 2000
WAAS Beams
WGS-84
WGS-84
RTK
WGS-84
WGS-84
1
World Geodetic System (WGS) 1984. Datum and ellipsoid.
2
North American Datum (NAD) 1983. Equivalent to WGS-84 in North
America.
3
International Terrestrial Reference Frame (ITRF). Contact the DGPS provider for details.
Ag252_100B_UserGuide_ENG.book Page 15 Thursday, July 28, 2005 4:06 PM